CN113844152A - Manufacturing method of antibacterial moisturizing pet urinal pad - Google Patents

Manufacturing method of antibacterial moisturizing pet urinal pad Download PDF

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Publication number
CN113844152A
CN113844152A CN202111320587.0A CN202111320587A CN113844152A CN 113844152 A CN113844152 A CN 113844152A CN 202111320587 A CN202111320587 A CN 202111320587A CN 113844152 A CN113844152 A CN 113844152A
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CN
China
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antibacterial
moisturizing
mass
maleic anhydride
parts
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CN202111320587.0A
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Chinese (zh)
Inventor
仇斌
汪济奎
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Jiangsu Zhongheng Pet Articles Co Ltd
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Jiangsu Zhongheng Pet Articles Co Ltd
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Priority to CN202111320587.0A priority Critical patent/CN113844152A/en
Publication of CN113844152A publication Critical patent/CN113844152A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
    • A01K1/0157—Mats; Sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc

Abstract

The invention belongs to the technical field of pet urine pads, and relates to a manufacturing method of an antibacterial moisturizing pet urine pad. Firstly, guanidine hydrochloride is used for modifying maleic anhydride to realize maleic anhydride antibacterial treatment, and the antibacterial maleic anhydride and styrene are introduced into a polyacrylic acid/inorganic clay system to prepare the super absorbent antibacterial resin, so that the antibacterial effect with long-term stability and strong weather resistance is realized; secondly, mixing an oxidant, an antibacterial agent and an adsorbent in proportion to prepare an antibacterial deodorant, mixing the antibacterial deodorant with antibacterial moisturizing resin to obtain an antibacterial adsorption layer, sequentially pressing printed toilet paper, the antibacterial adsorption layer, wood pulp, the antibacterial adsorption layer and the toilet paper to obtain a double-layer adsorption urine pad core body, covering a PE punching film on the upper surface of the double-layer adsorption urine pad core body, and sequentially attaching a PE flow-extending film and a PE film on the lower surface of the double-layer adsorption antibacterial moisturizing urine pad core body to obtain the double-layer adsorption antibacterial moisturizing pet urine pad. The pet urinal pad has excellent antibacterial and moisturizing effects, no toxic or side effect and high biocompatibility of selected materials, has no stimulation or corrosion effect on pet skin, and is simple and convenient in product processing technology.

Description

Manufacturing method of antibacterial moisturizing pet urinal pad
Technical Field
The invention belongs to the technical field of pet urine pads, and particularly relates to a manufacturing method of an antibacterial moisturizing pet urine pad.
Background
With the increasing degree of urbanization, the social space of people becomes smaller and smaller, the communication between people is also less and less, and more people choose to find spiritual fiducials on pets, help to remove the life silence, and regulate the mental health of people. However, the pet brings great troubles while consolidates, especially the excretion problem is difficult to be solved, and the urine pad of the pet is gradually an effective way to solve the excretion problem of the pet. However, a large amount of bacteria can be bred in the excrement in a short period due to high temperature in summer, the smell is strong and pungent, most families cannot replace urine pads in time, and especially for families breeding medium and large dogs, the ordinary pet urine pads are difficult to adsorb a large amount of excrement, so that the problem that the floor is polluted by overflowing is often caused. The large amount of bacteria on the urine pad of the pet can not only cause danger to the health of the pet, but also the metabolite can make the smell more unpleasant. Pet excrement contains chemical substances of organic or inorganic sulfur such as ammonia nitrogen, low molecular amine, mercaptan, thioether and the like, which are main sources of odor, and the excrement can grow a plurality of bacteria such as staphylococcus aureus, escherichia coli, candida albicans and the like with the time, so that pets face the risk of diseases in the environment, and pet owners can be influenced to a certain degree.
Nowadays, although pet diapers with antibacterial and moisturizing functions are available in the market, various problems generally exist: 1. the product contains irritant components for pets and even has toxicity to the skin of pets; 2. the antibacterial effect is poor, the urine pad gradually loses the antibacterial effect along with the prolonging of the storage time or the change of the environment, and especially after the urine pad is placed for a long time in the damp and hot environment in the south, the antibacterial effect is declined; 3. the moisturizing effect is limited, and for large pets, the single-layer adsorption layer core body of the common urine pad quickly reaches the saturation adsorption effect, so that the ground is polluted; 4. the product is mixed with a covering cheap flavor additive, has pungent smell and is easy to cause harm to pets.
Under the background, the development of the efficient antibacterial moisturizing urine pad is very important and significant.
Disclosure of Invention
Aiming at the defects of the existing products, the invention provides a manufacturing method of a double-layer adsorption antibacterial moisturizing pet urinal pad which is nontoxic and harmless, has excellent and obvious antibacterial moisturizing effect. In particular, the invention also relates to a preparation method of the water-absorbent resin with the antibacterial main resin body.
A manufacturing method of an antibacterial moisturizing pet urinal pad comprises the following steps:
(1) preparation of antibacterial maleic anhydride: mixing maleic anhydride and absolute ethyl alcohol to obtain a maleic anhydride ethyl alcohol solution; mixing guanidine hydrochloride and absolute ethyl alcohol to obtain guanidine hydrochloride ethanol solution; then mixing the guanidine hydrochloride solution with the maleic anhydride solution to obtain a mixed solution, introducing nitrogen for protection, then placing the mixed solution in a constant-temperature water bath for continuous stirring reaction, and drying to obtain antibacterial maleic anhydride for later use;
(2) preparing antibacterial moisturizing resin: mixing acrylic acid, ammonium persulfate, styrene, antibacterial maleic anhydride and attapulgite clay, stirring at constant temperature for reaction, then dropwise adding a crosslinking agent N, N' -methylene bisacrylamide, heating to a certain temperature at a certain speed in a nitrogen environment, continuously maintaining the constant temperature for reaction for a period of time after the system is gelled, drying the obtained gel product after the reaction is finished to obtain dry gel resin, and then crushing and sieving to obtain the antibacterial moisturizing resin for later use;
(3) preparing an antibacterial deodorant: weighing oxidant, antibacterial agent (nanometer zinc oxide) and adsorbent, homogenizing, solidifying, grinding, and sieving to obtain antibacterial deodorant;
(4) preparing a double-layer adsorption urine pad core body: uniformly mixing the antibacterial moisturizing resin prepared in the step (2) and the antibacterial deodorant prepared in the step (3) to obtain an antibacterial adsorption layer with a certain thickness, stacking the printed toilet paper, the antibacterial adsorption layer, the wood pulp, the antibacterial adsorption layer and the toilet paper layer by layer from top to bottom, and then pressing to obtain a double-layer adsorption urine pad core body;
(5) preparing an antibacterial moisturizing urine pad: covering a PE punched film on the upper surface of the double-layer adsorption core body, and sequentially attaching a PE flow-extending film and a PE film on the lower surface of the double-layer adsorption core body to obtain the antibacterial moisturizing pet urinal pad.
Further, the mass fraction of the maleic anhydride ethanol solution in the step (1) is 25-35%; the mass fraction of the guanidine hydrochloride ethanol solution is 25-35%.
Further, the volume ratio of the guanidine hydrochloride solution to the maleic anhydride solution in the step (1) is 1: 1.
Further, the temperature of the constant-temperature water bath in the step (1) is 70-90 ℃, and the continuous stirring reaction time is 3-6 h.
Further, the drying temperature in the step (1) is 90-110 ℃, and the time is 8-11 h.
Further, the neutralization degree of the acrylic acid in the step (2) is 60-75%, and the using amount is 100 parts by mass; the using amount of ammonium persulfate is 10-15 parts by mass; the dosage of the styrene is 20-30 parts by mass; the using amount of the antibacterial maleic anhydride is 20-30 parts by mass; the using amount of the attapulgite clay is 5-7 parts by mass; the amount of the cross-linking agent N, N' -methylene bisacrylamide is 0.3-0.4 parts by mass.
Further, the constant-temperature stirring reaction in the step (2) is carried out at the temperature of 30-50 ℃ for 10 min; the certain speed is 4-6 ℃/min, the certain temperature is 70-75 ℃, and the constant temperature reaction is continued for a period of 2-4h after the system is gelatinized.
Further, the drying temperature in the step (2) is 75 ℃; the screening is to pass through a 70-80 mesh screen.
Further, the amount of the oxidant used in the step (3) is 0.5-1.5 parts by mass; the dosage of the antibacterial agent is 2-3 parts by mass; the amount of the adsorbent is 1.5-2.5 parts by mass.
Further, in the step (3), the screen is sieved by a 40-80 mesh screen.
Further, the using amount of the antibacterial moisturizing resin in the step (4) is 100 parts by mass; the dosage of the antibacterial deodorant is 0.2-3.5 parts by mass; the certain thickness is 1-3 mm.
The PE perforated film in the step (5) is obtained by perforating the PE film;
the PE cast film in the step (5) is a non-stretched and non-oriented cast film produced by melt casting and quenching;
further, step (ii)(5) Wherein the oxidant is selected from photocatalyst nano TiO2. The oxidant used in the invention can generate a photocatalytic reaction similar to photosynthesis under the action of ultraviolet light and visible light to generate free hydroxyl and active oxygen, has a strong photooxidation-reduction function, can effectively degrade odor gas generated by pets, mainly comprises nitrides (ammonia gas and methylamine), sulfides (hydrogen sulfide and methyl mercaptan), aliphatic compounds (indole, acrolein, skatole, methane and the like), can effectively kill various bacteria, can decompose and harmlessly treat toxins released by bacteria or fungi, is nontoxic and harmless, and is safe and reliable for pets and human bodies.
Further, the antibacterial agent in the step (5) is selected from nano zinc oxide. The antibacterial agent used in the invention can slowly release zinc ions after being added, the zinc ions are gradually dissociated, and due to the oxidation-reduction property of the zinc ions, when the zinc ions are combined with bacterial cell membranes, the zinc ions react with organic matters in the bacterial cell membranes to destroy the structure of membrane proteins and lose the activity of the membrane proteins until the bacteria die and completely disappear. When the bacteria are killed, zinc ions are dissociated from the bacteria and then contact with other bacteria to complete a new sterilization task, so that the bactericidal composite material has strong bactericidal activity.
Further, the adsorbent in the step (5) is selected from any one or more of attapulgite, activated carbon and activated alumina. The adsorption carrier used in the invention belongs to a porous material, and can make active ingredients adhere to the particle surface of the adsorption carrier, so that liquid trace compounds are changed into solid compounds. Meanwhile, the solid substances of certain components in the gas or liquid can be effectively adsorbed from the gas or liquid, so that the adsorption antibacterial reaction is more stable, and the antibacterial and deodorization effects are improved.
Finally, the invention relates to the double-layer adsorption antibacterial moisturizing pet urinal pad manufactured by the method.
The antibacterial moisturizing pet urinal pad manufactured according to the invention has the following beneficial effects:
1. high-efficiency and durable main body antibiosis. The traditional pet urinal pad is only added with the antibacterial agent, so that the antibacterial effect is single and unstable, and the antibacterial agent is distributed unevenly in the core body; and the antibacterial property and the weather resistance are poor, and the antibacterial effect fluctuates along with the change of environmental climate. The invention achieves the main antibacterial effect by modifying the water-absorbent resin polymerized monomer, and realizes long-acting stable antibacterial by combining with antibacterial agent, thus being applicable to climate and humidity in most areas;
2. double-layer high-efficiency adsorption. The core body of the urine pad is manufactured by adopting a double-layer adsorption process, and the double-layer antibacterial adsorption layers are overlapped, so that the high water absorption and high antibacterial property of the core body resin are fully utilized, the urine pad is ensured to be efficient in moisture preservation and antibacterial in the use process, a large amount of excrement is adsorbed without leakage, and the overflow leakage defect of a common pet urine pad in the market is overcome;
3. beautiful appearance and soft and moderate touch feeling. The surface of the urine pad is covered with the PE punched film and the printed toilet paper, so that the urine pad is simple and attractive, and has high-grade texture; meanwhile, the soft touch feeling is given to the pet, and the applicability of the product is ensured to a great extent.
4. The whole selected materials of the urine pad are nontoxic and harmless, and the biocompatibility is high; and toxic substances and skin irritant substances are not adopted, and the antibacterial moisturizer belongs to an environment-friendly antibacterial moisturizer.
Detailed Description
Examples of the present invention are described further below, wherein each example is only an exemplary embodiment of the present invention and is not intended to limit the scope of the present invention. Various modifications and alterations of this invention will become apparent to those skilled in the art from the foregoing description and the following description of the embodiments without departing from the spirit and scope of this invention. Accordingly, the scope of the invention is intended to be limited only by the scope of the claims.
In the following examples, odor gas detection is carried out according to GB/T14679-93 and GB/T14678-93; carrying out antibacterial detection according to GB 15979-2002; and (4) carrying out water absorption detection on the antibacterial moisturizing resin according to GB/T22875-2008 and GB/T22905-2008.
Example 1:
the antibacterial moisturizing pet urinal pad is manufactured according to the following steps:
(1) weighing a maleic anhydride ethanol solution with the mass fraction of 30% and a guanidine hydrochloride ethanol solution with the mass fraction of 40% in a ratio of 1:1, fully mixing, introducing nitrogen for protection, keeping the temperature of a water bath constant at 80 ℃, continuously stirring for reaction for 5 hours, and drying the obtained yellowish antibacterial functionalized maleic anhydride for 10 hours at 100 ℃ for later use;
(2) taking 100 parts by mass of acrylic acid (neutralization degree is 60%), sequentially adding 10 parts by mass of ammonium persulfate, 25 parts by mass of styrene, 25 parts by mass of antibacterial maleic anhydride and 6 parts by mass of attapulgite clay, stirring and reacting for 10min at constant temperature (35 ℃), and then dropwise adding 0.3 part by mass of cross-linking agent N, N' -methylene bisacrylamide. Slowly heating to 70 ℃ under the nitrogen environment, and continuously keeping the temperature for 3 hours after the system is gelatinized. After the reaction was completed, the obtained gel product was dried at 75 ℃. And (3) crushing the obtained dry gel resin, and screening the crushed dry gel resin with a 80-mesh screen to obtain the antibacterial moisturizing resin for later use.
(3) Weighing 1 part by mass of oxidant, 2 parts by mass of antibacterial agent and 2 parts by mass of adsorbent, homogenizing, solidifying, and grinding to 40-80 meshes to obtain the antibacterial deodorant for later use.
(4) And (3) uniformly mixing 100 parts by mass of the prepared antibacterial moisturizing resin and 2 parts by mass of antibacterial deodorant to obtain an antibacterial adsorption layer with the thickness of 1mm, and sequentially pressing the printed toilet paper, the antibacterial adsorption layer, the wood pulp, the antibacterial adsorption layer and the toilet paper from top to bottom to obtain the double-layer adsorption urine pad core body.
(5) Covering a PE punched film on the upper surface (one layer of fingerprint toilet paper) of the double-layer adsorption core body, and sequentially attaching a PE flow-extending film and a PE film on the lower surface (one layer of toilet paper) to obtain the antibacterial moisturizing pet urinal pad.
The moisturizing effect of the antibacterial moisturizing resin thus obtained was tested as follows:
and (3) taking the antibacterial moisturizing resin, and carrying out absorption capacity test according to GB/T22875-2008, wherein the absorption capacity of the sample reaches 350 g/g.
The antibacterial and deodorant effects of the antibacterial and moisturizing pet urinal pad thus obtained were tested as follows:
weather resistance treatment: the common urine pad and the antibacterial moisturizing urine pad are made into specifications of 30cm multiplied by 50cm, and are respectively paved and placed in the same sealable container with the temperature of 35 ℃ and the relative air humidity of 100 percent for 15 days, and then placed in the sealable container with the relative air humidity of 75 percent at the temperature of 25 ℃ for 15 days.
Antibacterial deodorization test: and (3) respectively paving the urine pad subjected to weather resistance treatment in the same sealable container, pouring 400mL of pet excrement on the urine pad, sealing and standing at 25 ℃ for 10min, and performing odor gas detection and antibacterial detection.
The detection result of the common urine pad is as follows: the ammonia concentration is 120mg/m342mg/m of thiol, thioether and other sulfur-containing compounds3(ii) a The antibacterial rate is as follows: has substantially no antibacterial effect against Staphylococcus aureus, Escherichia coli, Candida albicans, etc.
The detection result of the antibacterial moisturizing urine pad of the invention is as follows: the ammonia concentration is 0.21mg/m3Thiols, thioethers and other sulphur-containing compounds 0.09mg/m3(ii) a The antibacterial rate is as follows: 99.8% of staphylococcus aureus, 99.9% of escherichia coli, 99.9% of streptococcus, 99.9% of pseudomonas aeruginosa and 99.9% of candida albicans.
After the weather resistance of the product is tested in an extreme temperature and humidity environment and a conventional environment, the product still can keep high-efficiency antibacterial action on various bacteria, and the antibacterial weather resistance is verified.
Example 2:
the antibacterial moisturizing pet urinal pad is manufactured according to the following steps:
(1) weighing 30% by mass of maleic anhydride ethanol solution and 40% by mass of guanidine hydrochloride ethanol solution in a ratio of 1:1, fully mixing, introducing nitrogen for protection, keeping the temperature of a water bath constant at 80 ℃, continuously stirring for reaction for 5 hours, and drying the obtained yellowish antibacterial functionalized maleic anhydride for 10 hours at 100 ℃ for later use.
(2) Taking 100 parts by mass of acrylic acid (neutralization degree is 70%), sequentially adding 12 parts by mass of ammonium persulfate, 20 parts by mass of styrene, 20 parts by mass of antibacterial maleic anhydride and 6 parts by mass of attapulgite clay, stirring and reacting for 10min at constant temperature (35 ℃), and then dropwise adding 0.4 part by mass of cross-linking agent N, N' -methylene bisacrylamide. Slowly heating to 70 ℃ under the nitrogen environment, and continuously keeping the temperature for 3 hours after the system is gelatinized. After the reaction was completed, the obtained gel product was dried at 75 ℃. And (3) crushing the obtained dry gel resin, and screening the crushed dry gel resin with a 80-mesh screen to obtain the antibacterial moisturizing resin for later use.
(3) Weighing 1.2 parts by mass of oxidant, 1.5 parts by mass of antibacterial agent and 1.5 parts by mass of adsorbent, homogenizing, curing, and grinding to 40-80 meshes to obtain the antibacterial deodorant for later use.
(4) And (3) uniformly mixing 100 parts by mass of the prepared antibacterial moisturizing resin and 2 parts by mass of antibacterial deodorant to obtain an antibacterial adsorption layer with the thickness of 1mm, and sequentially pressing the printed toilet paper, the antibacterial adsorption layer, the wood pulp, the antibacterial adsorption layer and the toilet paper from top to bottom to obtain the double-layer adsorption urine pad core body.
(5) Covering a PE punched film on the upper surface of the double-layer adsorption core body, and sequentially attaching a PE flow-extending film and a PE film on the lower surface of the double-layer adsorption core body to obtain the antibacterial moisturizing pet urinal pad.
Normal diaper (control group): the diaper obtained based on the present invention was manufactured in the same manner as in example 1, except that maleic anhydride was not modified to have antibacterial properties, and no antibacterial agent was added to the antibacterial adsorption layer.
The moisturizing effect of the antibacterial moisturizing resin thus obtained was tested as follows (taking the diaper prepared in example 1 as an example):
and (3) taking the antibacterial moisturizing resin, and carrying out absorption capacity test according to GB/T22875-2008, wherein the absorption capacity of the sample reaches 380 g/g.
The antibacterial and deodorant effects of the antibacterial and moisturizing pet urinal pad thus obtained were tested as follows:
weather resistance treatment: the common urine pad and the antibacterial moisturizing urine pad are made into specifications of 30cm multiplied by 50cm, and are respectively paved and placed in the same sealable container with the temperature of 35 ℃ and the relative air humidity of 100 percent for 15 days, and then placed in the sealable container with the relative air humidity of 75 percent at the temperature of 25 ℃ for 15 days.
Antibacterial deodorization test: and (3) respectively paving the urine pad subjected to weather resistance treatment in the same sealable container, pouring 400mL of pet excrement on the urine pad, sealing and standing at 25 ℃ for 10min, and performing odor gas detection and antibacterial detection.
The detection result of the common urine pad is as follows: the ammonia concentration is 103mg/m3Thiols, thioethers and other sulphur-containing compounds 32mg/m3(ii) a The antibacterial rate is as follows: is substantially free from Staphylococcus aureus,Antibacterial effect of Escherichia coli and Candida albicans.
The detection result of the antibacterial moisturizing urine pad of the invention is as follows: the ammonia concentration is 0.23mg/m3Mercaptans, thioethers and other sulfur-containing compounds 0.11mg/m3(ii) a The antibacterial rate is as follows: 99.9 percent of staphylococcus aureus, 99.8 percent of escherichia coli, 99.9 percent of streptococcus, 99.9 percent of pseudomonas aeruginosa and 99.9 percent of candida albicans.
After the weather resistance of the product is tested in an extreme temperature and humidity environment and a conventional environment, the product still can keep high-efficiency antibacterial action on various bacteria, and the antibacterial weather resistance is verified.
Description of the drawings: the above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention; thus, while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.

Claims (10)

1. The manufacturing method of the antibacterial moisturizing pet urinal pad is characterized by comprising the following steps:
(1) preparation of antibacterial maleic anhydride: mixing maleic anhydride and absolute ethyl alcohol to obtain a maleic anhydride ethyl alcohol solution; mixing guanidine hydrochloride and absolute ethyl alcohol to obtain guanidine hydrochloride ethanol solution; then mixing the guanidine hydrochloride solution with the maleic anhydride solution to obtain a mixed solution, introducing nitrogen for protection, then placing the mixed solution in a constant-temperature water bath for continuous stirring reaction, and drying to obtain antibacterial maleic anhydride for later use;
(2) preparing antibacterial moisturizing resin: mixing acrylic acid, ammonium persulfate, styrene, antibacterial maleic anhydride and attapulgite clay, stirring at constant temperature for reaction, then dropwise adding a cross-linking agent N, N' -methylene bisacrylamide, heating to a certain temperature at a certain speed in a nitrogen environment, continuously reacting at constant temperature for a period of time after the system is gelled, drying the obtained gel product after the reaction is finished to obtain dry gel resin, and crushing and sieving to obtain the antibacterial moisturizing resin for later use;
(3) preparing an antibacterial deodorant: weighing an oxidant, nano zinc oxide and an adsorbent, homogenizing and curing, grinding and sieving to obtain an antibacterial deodorant for later use;
(4) preparing a double-layer adsorption urine pad core body: uniformly mixing the antibacterial moisturizing resin prepared in the step (2) and the antibacterial deodorant prepared in the step (3) to obtain an antibacterial adsorption layer with a certain thickness, stacking the printed toilet paper, the antibacterial adsorption layer, the wood pulp, the antibacterial adsorption layer and the toilet paper layer by layer from top to bottom, and then pressing to obtain a double-layer adsorption urine pad core body;
(5) preparing an antibacterial moisturizing urine pad: covering a PE punched film on the upper surface of the double-layer adsorption core body, and sequentially attaching a PE flow-extending film and a PE film on the lower surface of the double-layer adsorption core body to obtain the antibacterial moisturizing pet urinal pad.
2. The method for manufacturing the antibacterial moisturizing pet urinal pad according to claim 1, wherein the mass fraction of the maleic anhydride ethanol solution in the step (1) is 25-35%; the mass fraction of the guanidine hydrochloride ethanol solution is 25-35%; the volume ratio of the guanidine hydrochloride solution to the maleic anhydride solution is 1: 1.
3. The manufacturing method of the antibacterial moisturizing pet urinal pad according to claim 1, wherein the temperature of the thermostatic water bath in the step (1) is 70-90 ℃, and the time of the continuous stirring reaction is 3-6 h; the drying temperature is 90-110 ℃, and the drying time is 8-11 h.
4. The method for manufacturing the antibacterial moisturizing pet urinal pad according to claim 1, wherein the neutralization degree of acrylic acid in the step (2) is 60% -75%, and the amount is 100 parts by mass; the using amount of ammonium persulfate is 10-15 parts by mass; the dosage of the styrene is 20-30 parts by mass; the using amount of the antibacterial maleic anhydride is 20-30 parts by mass; the attapulgite clay comprises 5-7 parts by mass of raw materials; the amount of the cross-linking agent N, N' -methylene bisacrylamide is 0.3-0.4 parts by mass.
5. The method for manufacturing the antibacterial moisturizing pet urinal pad according to claim 1, wherein the constant-temperature stirring reaction in the step (2) is performed at a temperature of 30-50 ℃ for 10 min; the certain speed is 4-6 ℃/min, the certain temperature is 70-75 ℃, and the constant temperature reaction is continued for a period of 2-4h after the system is gelatinized.
6. The method for manufacturing the antibacterial moisture-keeping pet urinal pad according to claim 1, wherein the drying temperature in the step (2) is 75 ℃; the screening is to pass through a 70-80 mesh screen.
7. The method for manufacturing the antibacterial moisturizing pet urinal pad according to claim 1, wherein the amount of the oxidizing agent used in the step (3) is 0.5 to 1.5 parts by mass; the dosage of the antibacterial agent is 2-3 parts by mass; the dosage of the adsorbent is 1.5-2.5 parts by mass; the screening is a 40-80 mesh screen.
8. The method for manufacturing the antibacterial moisturizing pet urinal pad according to claim 1, wherein the oxidant in the step (3) is selected from photocatalyst nano TiO2(ii) a The adsorbent is selected from one or more of attapulgite, activated carbon and activated alumina.
9. The method for manufacturing the antibacterial moisturizing pet urinal pad according to claim 1, wherein the antibacterial moisturizing resin is used in an amount of 100 parts by mass in the step (4); the dosage of the antibacterial deodorant is 0.2-3.5 parts by mass; the certain thickness is 1-3 mm.
10. An antibacterial moisturizing pet urinal pad prepared according to the method of any one of claims 1-9.
CN202111320587.0A 2021-11-09 2021-11-09 Manufacturing method of antibacterial moisturizing pet urinal pad Pending CN113844152A (en)

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Citations (5)

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Publication number Priority date Publication date Assignee Title
CN101628952A (en) * 2009-08-20 2010-01-20 合肥工业大学 Method for preparing uramine-type macromolecule anti-bacterial agent
CN105566547A (en) * 2015-12-01 2016-05-11 陕西一品达石化有限公司 Preparation method of guanidine-containing polymeric antibacterial agent
CN108432642A (en) * 2018-06-28 2018-08-24 南京凯创协同纳米技术有限公司 Antibacterial and deodouring pet urine pad and its manufacturing method
CN109942753A (en) * 2019-03-28 2019-06-28 山东诺尔生物科技有限公司 A kind of macromolecule water uptake resin, composite absorption core and preparation method thereof
CN110627956A (en) * 2019-09-29 2019-12-31 中国石油大学(华东) Preparation method of antibacterial super absorbent resin

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101628952A (en) * 2009-08-20 2010-01-20 合肥工业大学 Method for preparing uramine-type macromolecule anti-bacterial agent
CN105566547A (en) * 2015-12-01 2016-05-11 陕西一品达石化有限公司 Preparation method of guanidine-containing polymeric antibacterial agent
CN108432642A (en) * 2018-06-28 2018-08-24 南京凯创协同纳米技术有限公司 Antibacterial and deodouring pet urine pad and its manufacturing method
CN109942753A (en) * 2019-03-28 2019-06-28 山东诺尔生物科技有限公司 A kind of macromolecule water uptake resin, composite absorption core and preparation method thereof
CN110627956A (en) * 2019-09-29 2019-12-31 中国石油大学(华东) Preparation method of antibacterial super absorbent resin

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